TCA 3727
Table 5
Characteristics
VS = 40 V; VL = 5 V; -25 °C ≤ Tj ≤ 125 °C
Parameter
Symbol
Limit Values
Unit Test Condition
Min. Typ. Max.
Current Consumption
from +VS
from +VS
from +VL
from +VL
Oscillator
IS
–
0.2 0.5 mA Vinh = L
IS
–
16 20
mA Vinh = H
IQ1/2 = 0, IXX = L
IL
–
1.7 3
mA Vinh = L
IL
–
18 25
mA Vinh = H
IQ1/2 = 0, IXX = L
Output charging current IOSC
–
Charging threshold
VOSCL
–
Discharging threshold
VOSCH
–
Frequency
fOSC
18
Phase Current Selection (R1; R2)
Current Limit Threshold
110 –
1.3 –
2.3 –
25 35
µA –
V–
V–
kHz COSC = 2.2 nF
No current
Vsense n
–
0
–
mV IX0 = H; IX1 = H
Hold
Vsense h 200 250 300 mV IX0 = L; IX1 = H
Setpoint
Vsense s 460 540 620 mV IX0 = H; IX1 = L
Accelerate
Vsense a 740 825 910 mV IX0 = L; IX1 = L
Logic Inputs (IX1; IX0; Phase x)
Threshold
VI
1.4 –
2.3 V –
(H→L)
(L→H)
L-input current
IIL
L-input current
IIL
H-input current
IIH
Standby Cutout (inhibit)
-10 –
-100 –
–
–
–
µA VI = 1.4 V
–
µA VI = 0 V
10
µA VI = 5 V
Threshold
VInh
2
(L→H)
3
4
V–
Threshold
VInh
1.7 2.3 2.9 V –
(H→L)
Hysteresis
VInhhy
0.3 0.7 1.1 V –
Data Sheet
9
Rev. 2.0, 2004-10-01